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Paratirolites trapezoidalis

Cephalopoda - Ceratitida - Dzhulfitidae

Taxonomy
Paratirolites trapezoidalis was named by Shevyrev (1965). Its type specimen is PIN 1252/129 and is a 3D body fossil. Its type locality is Dorasham 2, Paratirolites beds, which is in a Changhsingian marine horizon in the Ali Bashi Formation of Azerbaijan.

It was synonymized subjectively with Paratirolites kittli by Teichert and Kummel (1973).

Sister species lacking formal opinion data
P. cassianus

Synonymy list
YearName and author
1965Paratirolites trapezoidalis Shevyrev p. 177 figs. Pl 24, fig 1; text-fig 17b,g
2002Paratirolites trapezoidalis Leonova p. 102
2014Paratirolites trapezoidalis Korn fig. 7E
2016Paratirolites trapezoidalis Korn and Ghaderi p. 858 fig. 16
2021Paratirolites trapezoidalis Korn and Hairapetian p. 47 fig. 32

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderCeratitidaHyatt 1884
suborderParaceltitinaShevyrev 1968
superfamilyXenodiscoidea(Frech 1902)
familyDzhulfitidae
genusParatirolites
speciestrapezoidalis

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

†Paratirolites trapezoidalis Shevyrev 1965
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Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height723.819.229.223.93.36
shell diameter772.454.794.673.213.8
shell inflation729.222.741.729.26.36

Composition: aragoniteo
Environment: marinec
Locomotion: actively mobileo
Life habit: nektonico
Diet: carnivoreo
Vision: well-developedc
Created: 2005-01-28 02:33:06
Modified: 2005-10-06 16:36:47
Source: o = order, c = class
References: Kiessling 2004, Kiessling 2003

Age range: Changhsingian or 254.14000 to 251.90200 Ma

Collections (18 total)


Time interval Ma Country or state Original ID and collection number
Changhsingian254.14 - 251.902Iran Paratirolites trapezoidalis (181443 181446 181467 181468 181471 181472 181473 181475 181509 223130 223163)
Changhsingian254.14 - 251.902Azerbaijan Paratirolites trapezoidalis (40941 type locality: 97239 110602 110657 110688 110698 110720)